28496660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 62250384

約数和(自身を除く): 33753724

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 397, 485, 740, 794, 970, 1588, 1940, 1985, 3589, 3970, 7178, 7940, 14356, 14689, 17945, 29378, 35890, 38509, 58756, 71780, 73445, 77018, 146890, 154036, 192545, 293780, 385090, 770180, 1424833, 2849666, 5699332, 7124165, 14248330, 28496660]

約数ペア:

[(1, 28496660), (2, 14248330), (4, 7124165), (5, 5699332), (10, 2849666), (20, 1424833), (37, 770180), (74, 385090), (97, 293780), (148, 192545), (185, 154036), (194, 146890), (370, 77018), (388, 73445), (397, 71780), (485, 58756), (740, 38509), (794, 35890), (970, 29378), (1588, 17945), (1940, 14689), (1985, 14356), (3589, 7940), (3970, 7178)]